.icon{
	width: 22px;
    height: 22px;
    overflow: hidden;
    float: left;
	background:url("../../img/tree.gif") 
}
.icon-folder{ background-position:-22px -88px;}
.icon-none{ background:none;}
.icon-none img{border: 0;height: 16px;width: 16px; top:2px; margin-top:2px; margin-left:2px;}
.icon-folder-open{background-position:-44px -88px;}
.icon-leaf{background-position:-22px -110px;}